Dr. Dieter Drohmann is Managing Director of the Chemservice Group. For correspondence <mailto:d.drohmann@chemservice-group.com>. Doris Peters is Managing Director of Consortia Asia Ltd. For correspondence <mailto:d.peters@consortia-asia.com> Ah-Reum Seo is Managing Director of Chemservice Asia Ltd. For correspondence <mailto:ar.seo@chemservice-asia.com>